/*
 * Copyright 2010 Kevin Bourrillion.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

package kevinb9n.tobago;

import static com.google.common.base.Preconditions.checkArgument;

import com.google.common.collect.ImmutableMap;

public enum Terrain {
  SCRUBLAND,
  JUNGLE,
  RIVER,
  MOUNTAINS,
  LAKE,
  BEACH,
  OCEAN {
    @Override public char character() {
      return ' ';
    }
  },
  ;

  private static final ImmutableMap<Character, Terrain> BY_CHARACTER;
  static {
    ImmutableMap.Builder<Character, Terrain> builder = ImmutableMap.builder();
    for (Terrain terrain : values()) {
      builder.put(terrain.character(), terrain);
    }
    BY_CHARACTER = builder.build();
  }

  public static Terrain forCharacter(char c) {
    Terrain terrain = BY_CHARACTER.get(c);
    checkArgument(terrain != null);
    return terrain;
  }

  public char character() {
    return name().charAt(0);
  }

  @Override public String toString() {
    return name().toLowerCase();
  }
}
